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How can I reference a commit in an issue comment on GitHub?
...push origin master. Also, there is a bug in github, there must be at least one character after the <SHA> or it doesn't get detected. It can just be a newline or a period.
– Alexis Wilke
Jun 15 '19 at 4:39
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Revert the `--no-site-packages` option with virtualenv
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That will do it. The existence (or nonexistence) of that file is the only direct effect of the no-site-packages flag. Virtualenv's customized site.py looks for that file to decide whether to add global site-packages directories to sys.path.
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If string is empty then return some default value
...ess is not empty. Maybe you could update that a bit (sorry about confusing one-liner, trying to keep it short):
class String
def or what = ""
self.strip.empty? ? block_given? ? yield : what : self
end
end
@user.address.or "We don't know user's address"
@user.address.or { User.make_a_long_a...
Mongoose's find method with $or condition does not work properly
...l throw an error if it's not a valid ObjectId. A cleaner way to do it mentioned above me.
– Haydar Ali Ismail
Jun 19 '17 at 23:22
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show 1 m...
How do you list all triggers in a MySQL database?
...d "complicated" version. The first doesn't work (don't know the resion) on one of hosts ...
– userlond
Feb 9 '15 at 8:00
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Instantiating object of type parameter
...ass of Object. You need to specify some factory to create instances of T.
One approach could use a Supplier<T>:
class MyClass<T> {
private final Supplier<? extends T> ctor;
private T field;
MyClass(Supplier<? extends T> ctor) {
this.ctor = Objects.requireNonNul...
Finding which process was killed by Linux OOM killer
... 'killed process' " and you can search logs anywhere (including archived ones) :)
– John D
Aug 16 '14 at 11:04
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How can I get a precise time, for example in milliseconds in Objective-C?
...ltas, and you can end up with infinite recursion or dead code (yeah, I've done both of these).
Use mach_absolute_time. It measures real seconds since the kernel was booted. It is monotonically increasing (will never go backwards), and is unaffected by date and time settings. Since it's a pain to wo...
Sass calculate percent minus px
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Sass cannot perform arithmetic on values that cannot be converted from one unit to the next. Sass has no way of knowing exactly how wide "100%" is in terms of pixels or any other unit. That's something only the browser knows.
You need to use calc() instead. Check browser compatibility on Can...
How can I select rows with most recent timestamp for each key value?
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This can de done in a relatively elegant way using SELECT DISTINCT, as follows:
SELECT DISTINCT ON (sensorID)
sensorID, timestamp, sensorField1, sensorField2
FROM sensorTable
ORDER BY sensorID, timestamp DESC;
The above works for Post...